Humidifier for a hot air furnace or the like



FIG. 1 is a perspective view taken from the bottom, rear and left side of a humidifier for a hot air furnace or the like showing my new design;

FIG. 2 is a perspective view taken from the top, front and right side thereof; and

FIG. 3 is a front elevational view thereof. 

The ornamental design for a humidifier for a hot air furnace or the like, as shown and described. 